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Firefox displays regular fonts in bold in some cases

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  • Last reply by FredMcD

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I noticed that Firefox renders regular fonts in bold on some websites.

Uploading screenshots to this thread doesn't seem to work which is why I'm linking them instead. Here you can see a comparison of the search results page of Ecosia in Firefox and Chrome: https://tr.canto.global/direct/image/beu725ieo946fcaqpdfb8chh6m/OqxmN6JWDMGDkEj98IsrfaG_zsM/original?content-type=image%2Fpng&name=Firefox+using+bold+fonts.png

And here are my Firefox fonts settings: https://tr.canto.global/direct/image/lkpqv9oujh4mf7lgq7hhq7vk4m/qO2xuYdMbC02aLGVRCD3n73FMKA/original?content-type=image%2Fpng&name=Firefox+fonts+settings.png

I'm also having the same issue with the support ticket system Freshdesk.

Anyone knows how to fix this?

Thanks!

I noticed that Firefox renders regular fonts in bold on some websites. Uploading screenshots to this thread doesn't seem to work which is why I'm linking them instead. Here you can see a comparison of the search results page of Ecosia in Firefox and Chrome: https://tr.canto.global/direct/image/beu725ieo946fcaqpdfb8chh6m/OqxmN6JWDMGDkEj98IsrfaG_zsM/original?content-type=image%2Fpng&name=Firefox+using+bold+fonts.png And here are my Firefox fonts settings: https://tr.canto.global/direct/image/lkpqv9oujh4mf7lgq7hhq7vk4m/qO2xuYdMbC02aLGVRCD3n73FMKA/original?content-type=image%2Fpng&name=Firefox+fonts+settings.png I'm also having the same issue with the support ticket system Freshdesk. Anyone knows how to fix this? Thanks!

Chosen solution

I found the source of the issue... at least in my case.

My Windows computer only had the "Helvetica Bold" font installed, no other version of that font. And those affected websites were apparently using "Helvetica Regular" as their default font which caused issues with Firefox and my system. I have now installed "Helvetica Regular" to my system and all those websites look OK now.

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Chosen Solution

I found the source of the issue... at least in my case.

My Windows computer only had the "Helvetica Bold" font installed, no other version of that font. And those affected websites were apparently using "Helvetica Regular" as their default font which caused issues with Firefox and my system. I have now installed "Helvetica Regular" to my system and all those websites look OK now.

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That was very good work. Well Done. Please flag your last post as Solved Problem as this can help others with similar problems. Go to that post and click the 'Solved' button to its right.